#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
int main()
{
	char c1 = 'h';
	char c2 = 'k';
	char c3 = 'r';
	char c4 = 'a';
	c1 += 4;
	c2 += 4;
	c3 += 4;
	c4 += 4;
	printf("%c%c%c%c\n", c1, c2, c3, c4);
	return 0;
}